flyrotary@lancaironline.net Mailing List Archive

Jeff,

What are the details of your coolant loop? Radiator core size, hose size etc. Also what temps are you running on climb and cruise? OAT? I seem to remember you were running a thermostat at one time.

Bobby

From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of Jeff Whaley
Sent: Monday, October 25, 2010 11:45 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Water Cooling and Oil Cooling Connection

I have an unusual problem – my oil temperature is about 40F lower than my water temperature. I have 2 oil coolers and 1 water radiator.

I’m considering converting 1 oil cooler into a water radiator. Obviously my oil temperature is going to increase, but if the water temperature is improved significantly will this also help in reducing the rise in oil temperature. So far, my experiments have shown that reducing the oil temperature has little effect on water temperature.

Does anyone know if reducing their water temperature also reduces oil temperature? – or are the two systems mostly independent?

Jeff Whaley

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